base of tiger mountain is well above the treeline and much higher than tigers are actually thought to ever go. >> good luck. >> dozens of remote cameras were left out on possible tiger trails. after three months, cameraman gordon buchanan returned to check the footage and was astonished. >> oh, my gosh, oh, my gosh! oh! i don't believe it! oh, god! thank you, thank you, thank you! >> if he thought that was exciting, a thousand meters higher up, there was even more. >> oh, man. >> apparently a breeding pair, far from the jungle. >> these tigers are living right in the shadow of the high himalayas. we are above 4,000 meters at this point.